59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Drone Non-Commercial License
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// that can be found in the LICENSE file.
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// +build !oss
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package admission
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import (
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"context"
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"errors"
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"time"
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"github.com/drone/drone/core"
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)
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// ErrCannotVerify is returned when attempting to verify the
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// user is a human being.
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var ErrCannotVerify = errors.New("Cannot verify user authenticity")
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// Nobot enforces an admission policy that restricts access to
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// users accounts that were recently created and may be bots.
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// The policy expects the source control management system will
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// identify and remove the bot accounts before they would be
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// eligible to use the system.
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func Nobot(service core.UserService, age time.Duration) core.AdmissionService {
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return &nobot{service: service, age: age}
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}
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type nobot struct {
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age time.Duration
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service core.UserService
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}
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func (s *nobot) Admit(ctx context.Context, user *core.User) error {
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// this admission policy is only enforced for
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// new users. Existing users are always admitted.
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if user.ID != 0 {
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return nil
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}
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// if the minimum required age is not specified the check
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// is skipped.
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if s.age == 0 {
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return nil
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}
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account, err := s.service.Find(ctx, user.Token, user.Refresh)
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if err != nil {
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return err
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}
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if account.Created == 0 {
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return nil
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}
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now := time.Now()
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if time.Unix(account.Created, 0).Add(s.age).After(now) {
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return ErrCannotVerify
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}
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return nil
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}
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